A. Salinity
B. Property of polluted material
C. Both a & b
D. None of the above
Correct Answer: Both a & b ✔
Last Updated: July 02, 2019
A. Salinity
B. Property of polluted material
C. Both a & b
D. None of the above
Correct Answer: Both a & b ✔
Last Updated: July 02, 2019